STUDY ON OPERATION CHARACTERS OF LIGNITOUS COAL FIRED BOIELR EQUIPPED FOR SUPERCRITCIAL 600 MW UNIT

DI Wanfeng1; HAN Jiwei2; YANG Zhongcan3; SONG Dayong41.Liaoning Qinghe Power Generation Co Ltd

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STUDY ON OPERATION CHARACTERS OF LIGNITOUS COAL FIRED BOIELR EQUIPPED FOR SUPERCRITCIAL 600 MW UNIT

更新时间：2025-09-28

- STUDY ON OPERATION CHARACTERS OF LIGNITOUS COAL FIRED BOIELR EQUIPPED FOR SUPERCRITCIAL 600 MW UNIT
- Thermal Power Generation Vol. 40, Issue 4, Pages: 62-65(2011)
- 作者机构：
  
  1. 辽宁清河发电有限责任公司
  2. 中电投电力工程有限公司
  3. 西安热工研究院有限公司
  4. 东北电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK229.6
- Published：2011
- 稿件说明：
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DI Wanfeng1, HAN Jiwei2, YANG Zhongcan3, et al. STUDY ON OPERATION CHARACTERS OF LIGNITOUS COAL FIRED BOIELR EQUIPPED FOR SUPERCRITCIAL 600 MW UNIT[J]. Thermal power generation, 2011, 40(4): 62-65.
DOI：

DI Wanfeng1, HAN Jiwei2, YANG Zhongcan3, et al. STUDY ON OPERATION CHARACTERS OF LIGNITOUS COAL FIRED BOIELR EQUIPPED FOR SUPERCRITCIAL 600 MW UNIT[J]. Thermal power generation, 2011, 40(4): 62-65. DOI：

摘要

辽宁清河发电有限责任公司(清河电厂)9号机组锅炉在试运行初期

曾出现结渣严重、排烟温度偏高、再热器事故喷水量大以及再热蒸汽温度超温等问题

机组带负荷能力仅为500 MW左右。经过采取增大燃烧器内二次风量、调低煤粉细度、合理组织炉内配风、降低中间点温度、增加吹灰器投运频率等措施

使上述问题得到有效解决

其成功经验可为其它褐煤电站锅炉选型和运行提供参考。

Abstract

In initial period of trial operation for boiler of unit NO.9 in Liaoning Qinghe Power Generation Co Ltd

problems

such as severe slagging

high temperature of discharged flue gas

large quantity of spraying water in case of reheater failure

and overtemperature of reheated steam etc.have occurred

the loading capability of said unit is only about 500 MW.Through adoptation of some measures

such as increasing secondary air flow rate in burners

decreasing fineness of the pulverized coal

reasonably organizing air distribution in the furnace

reducing the temperature at midle points

and increasing the frequency of putting sootblowers into service etc.

the above-mentioned problems have been effectively resolved

the successful experiences can provide reference for type selection and operation of other lignitous coal fired boilers.

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